package cn.swust.classdemo.power;

public class Kitty {  	
	
	private int getRealAge()
	{
		return 3;
	}
	
	public int getAge()
	{
		return getRealAge() - 1;
	}
	
	public String sayHi() {
		System.out.println("喵喵！");
		return "喵喵！";
	}
}
